From 405926276bfb316915c16e57a3943eb2cf4dd8fa Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Fri, 11 Dec 2015 19:43:57 +0100 Subject: ASoC: sun4i-codec: Add support for PA gpio pin Add support for PA gpio pin for controlling an external amplifier as used on some Allwinner boards. Signed-off-by: Hans de Goede Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/sun4i-codec.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation/devicetree/bindings/sound/sun4i-codec.txt') diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt index c92966bd5488..0dce690f78f5 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt @@ -14,6 +14,9 @@ Required properties: - "apb": the parent APB clock for this controller - "codec": the parent module clock +Optional properties: +- allwinner,pa-gpios: gpio to enable external amplifier + Example: codec: codec@01c22c00 { #sound-dai-cells = <0>; -- cgit